From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F700CCA473 for ; Fri, 24 Jun 2022 17:10:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231895AbiFXRKL (ORCPT ); Fri, 24 Jun 2022 13:10:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231833AbiFXRKJ (ORCPT ); Fri, 24 Jun 2022 13:10:09 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2273B5675B for ; Fri, 24 Jun 2022 10:10:09 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id x5-20020a923005000000b002d1a91c4d13so1785985ile.4 for ; Fri, 24 Jun 2022 10:10:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=HjdbkPhwZOSgjSTqBCfPksHKCWoZqNFbd8Z/G+uV0aE=; b=7LzVq4i7o9jNJQUh6dS+xo2Sm2FNqkyOTi3w9uvGZ/hDVDOwi8EtMes2K6dBlSy5UT 4yTPPJRt3BPzAYuTCJbMu4tyTMei4gwQqz1erliM/MPbfBeIyDnbNj8N8Fp/N56nbSmG GQxk7vtIHOG2lP0cD7z4CR0v0TatG70G9CY33vzFkma3M1CnQ4Mjf1+9H5sgYZKGOziT 6FelxnY5YcixwYQ6LR1e1+Lex+aMuRApT/6bSmYWgqmPhgXmAhJ6Y0p3iSJJa+1637kP y3BzFOotelMTUPz3Fs4c8D1LNZNoVfVw+FovX6DslSdA8I/P3IGF+9Oibwhn0iq1tCgm u8RQ== X-Gm-Message-State: AJIora+WYRBjdFnlQ3UI+oie2nOpjveYkw80L153VDlufq8rPXQig7xs LAV7DkAMFQZGFDlD1I5AV611wbLV977yEmah8zS+vBSK2cH8 X-Google-Smtp-Source: AGRyM1srH3KT+XQ/btwSJLikREunXBEHi2XBpCWOly1/wTfR+ogUNIukOKGik56oSOVV0OAtR++d6H796G7NWYo8gak06sU8p0Qr MIME-Version: 1.0 X-Received: by 2002:a05:6602:2cc6:b0:66a:2ab:ef35 with SMTP id j6-20020a0566022cc600b0066a02abef35mr8217221iow.115.1656090608526; Fri, 24 Jun 2022 10:10:08 -0700 (PDT) Date: Fri, 24 Jun 2022 10:10:08 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006fecd605e234a41f@google.com> Subject: Re: [syzbot] KASAN: null-ptr-deref Read in ida_free (2) From: syzbot To: Julia.Lawall@inria.fr, andreyknvl@gmail.com, balbi@kernel.org, gregkh@linuxfoundation.org, hdanton@sina.com, jannh@google.com, jj251510319013@gmail.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, schspa@gmail.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+aa620fb1ece874a3f34c@syzkaller.appspotmail.com Tested on: commit: 90bc2af2 USB: gadget: Fix double-free bug in raw_gadge.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git console output: https://syzkaller.appspot.com/x/log.txt?x=102c524c080000 kernel config: https://syzkaller.appspot.com/x/.config?x=34c24e9249d527bb dashboard link: https://syzkaller.appspot.com/bug?extid=aa620fb1ece874a3f34c compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.